Rehabilitation of the Packers Falls Bridge
The Packers Falls Bridge was constructed in 1912 and consists of a 42' (12.8m) single span, reinforced concrete arch structure. This bridge was constructed using a unique forming system...

Evolution of Composite Floor Systems in the United States
Composite floor systems, which combine structural steel beams with a cast-in-place concrete slab, have grown in popularity in the U.S. during the past 40 years. In most early applications,...

Cyclic Behavior of Three-Dimensional Partially-Restrained Composite Connections
This paper describes the test of a full-scale, bi-directional, PR composite beam-to-column connection. The PR connection consisted of continuous reinforcement bars across the column and...

Closing in on Approval
A lack of qualification criteria and design standards has hindered some engineers from using fiber-reinforced polymers to restore concrete structures. But several organizations—among them,...

Branching Out (Available in Structural Engineering Special Issue only)
The Cologne/Bonn Airport in Germany is currently undergoing its biggest construction project to date: a $200 million, five-story addition. Close and productive collaboration between the...

Inside Job
River Mill Dam is a large Ambursen (buttress type) dam constructed in 1911 on the Clackamas River in Oregon. The preliminary and final design phase of the seismic upgrade project coincided...

Quality Check
Composite materials, also known as fiber reinforced polymers (FRPs), have traditionally been reserved for aerospace engineering applications because of their high cost. FRPs'...

Trenchless Transformation
The Framingham Extension Sewer (FES) was constructed of reinforced-concrete pipe in the mid-1950s as part of the wastewater collection system for the greater Boston area. Age and hydrogen...

Emerging Materials for Civil Infrastructure
State of the Art
Prepared by the Emerging Materials Committee of the Materials Division of ASCE. This report presents a review of the state of the art on emerging materials...

Battling Concrete Corrosion
For decades engineers have fought concrete corrosion, but few methods have offered a long-term solution—until now. Electrochemical techniques such as electrochemical chloride extraction...

Concrete Connections
A new application of polymer composites involves the repair and rehabilitation of reinforced concrete frame connections. Test results from a pilot study conducted at the California State...

Glass Rebar's Growing Pain
Although engineers have used glass fiber reinforced polymer (GFRP) reinforcing bar in applications as diverse as winery roofs and bridge decks, a lack of standards and understanding by...

Three-Dimensional Nonlinear Finite Element Analysis of RC Interior Beam-Column Joints with Ultra High-Strength Materials

Effect of Concrete Strength on the Behavior of RC Beams Subjected to Pure Torsion

Reinforced High Strength Concrete Slabs Exposed to Impact Loading

Analysis of Joint Shear Failure of High-Strength Reinforced Concrete Interior Beam-to-Column Joint

Behavior of Interior Beam-and-Column Subassemblages in an RC Frame

Behaviour of Fiber Concrete Reinforced with Steel Spirals under Cyclic Compressive Loading

Seismic Behavior of High Strength Concrete Filled Tube (CFT) Columns

Time-Dependent Effects in Prestressed Concrete Composite Bridge Members

 

 

 

 

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